Base of a footwear sanitizing device having ovals



FIG. 1 is a front perspective view for a base of a footwear sanitizing device having ovals in accordance with the present design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines depict features of the base of a footwear sanitizing device having ovals that form no part of the claimed design. 

CLAIM The ornamental design for a base of a footwear sanitizing device having ovals, as shown and described. 